Engine Error
P0168
Fuel Temperature Too High
Severity
Medium
Symptoms
Vapor lock symptoms, engine stalling when hot, check engine light
Common Causes
- Low fuel level in tank (fuel is used to cool the pump)
- Faulty fuel cooler (if equipped)
- Failed fuel temperature sensor
- Fuel lines routed too close to exhaust
How to Fix
- 1 Keep fuel tank at least 1/4 full
- 2 Inspect and repair fuel cooler circuit
- 3 Replace fuel temperature sensor
- 4 Install heat shielding on fuel lines
Estimated Repair Cost
USD
$50
–
$400
Sensor replacement: 100 - 250; Heat shielding: 50 - 100